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OPERATION
&
MAINTENANCE
MANUAL
AC880
Refrigerant Handling System
Manual P/N 035-80749-00
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TABLE OF CONTENTS AC880 Before Using the AC880 ..................... 2 Safety Precautions .......................... 2 Using the AC880 ........................... 3 Setup .................................... 4 Fill Charge Cylinder ......................... 5 Recover/Recycle ........................... 6 Drain Recovered Oil ......................... 7 Deep Vacuum ............................. 8 Charge ................................... 9 Automatic ................................. 10 Access Stor
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BEFORE USING THE AC880 Check for any shipping damage. Place a claim with carrier if damage is discovered. DO NOT USE A DAMAGED UNIT. Complete and return the Warranty Card to activate technical support service and warranty coverage. These general instructions describe normal operation and maintenance situations encountered with the AC880. Failure to read and comply with these instructions or any one of the limitations noted herein can result in serious injury and/or property damage. A few minute
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USING THE AC880 Note: The purpose of this discussion is to familiarize the user with the features and functions of the AC880 Refrigerant Handling Station. The procedures discussed in this manual assume that the AC880 has been set up in accordance with the figures which are referred to and that the AC880 has been connected to the proper power supply. This manual does not illustrate correct A/C service, but rather how to correctly use the AC880. The AC880 is microprocessor controlled with a menu d
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SETUP 1 Low Pressure Gauge 7 Oil Charge - High Side 13 Fill Port 2 Keypad 8 Red Hose - High Side 14 Refrigerant Cylinder 3 Power Switch 9 Blue Hose - Low Side 15 Yellow Hose w/Anti-blowback 4 High Pressure Gauge 10 Oil Charge - Low Side 16 Oil Drain Pressure Switch 5 Display 11 Oil Charge Bottle 17 Oil Drain 6 Attention Light 12 High/Low Charge Selector 18 Oil Measuring Cup Page 4
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FILL CHARGE CYLINDER WEIGHT= XX.X LB AUTOMATIC ? EXTREMELY IMPORTANT Always connect Yellow Hose (15) to Cylinder (14) first and then connect other end of hose with anti-blowback valve to Fill Port (13) on AC880. WEIGHT= XX.X LB FILL CYLINDER ? Note: For large capacity or multiple A/C Systems where recharge will NOT be done between successive recoveries, it may be desirable to skip ENTER this procedure. 1. Set up the AC880 as shown on Page 4 and then turn
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RECOVER/RECYCLE WEIGHT= XX.X LB 1. Set up the AC880 and turn the Main Power Switch ON. AUTOMATIC ? 2. Attach the Red and Blue Hoses to the A/C System per the vehicle manufacturer's instructions, open the Red and Blue Hose Valves. 3. Using the Keypad, press the “Up Arrow” key one time to display “WEIGHT= WEIGHT= XX.X LB XX.X LB” “RECYCLE? ” and press the ENTER key. The Display will read “RECYCLE HOLD” “TIME XX MIN ”. RECYCLE ? The Recycle Hold Time is the amount of time that the AC880 wai
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DRAIN RECOVERED OIL Oil is separated from the recovered refrigerant and MUST be removed following EACH Recover/Recycle procedure to determine the amount (if any) necessary to add into the A/C System as follows: Note: The AC880 must be connected to power source. Drain Recovered Oil may be done while the AC880 Vacuum Pump is ON. 1. Press and hold the Oil Drain Re-pressurization Switch (16) for 5 seconds and then release it. 2. Slowly open the Oil Drain Valve (17) to drain any oil which may have be
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DEEP VACUUM WEIGHT= XX.X LB 1. Set up the AC880 and turn the Main Power Switch ON. AUTOMATIC ? 2. Attach the Red and Blue Hoses to the A/C System per the vehicle manufacturer's instructions and open the Red and Blue Hose Valves. 3. Using the Keypad, press the “Up Arrow” key two times to display “WEIGHT= WEIGHT= XX.X LB XX.X LB” “VACUUM? ” and press the ENTER key. The Display will read “ENTER VACUUM” “TIME XX MIN ”. VACUUM ? * This screen will display if the AC880 senses a pressure in e
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CHARGE WEIGHT= XX.X LB 1. Set up the AC880 and turn the Main Power Switch ON. AUTOMATIC ? 2. Attach the Red and Blue Hoses to the A/C System per the vehicle manufacturer's instructions and open the Red and Blue Hose Valves. 3. Determine the refrigerant capacity of the A/C System to be charged. WEIGHT= XX.X LB Note: 1 oz = 0.02835 Kg 1 Lb = 0.45359 Kg CHARGE ? 4. Using the Keypad, press the “Up Arrow” key three times to display “WEIGHT= XX.X LB” “CHARGE? ” and press the ENTER key. T
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AUTOMATIC WEIGHT= XX.X LB 1. Set up the AC880 and turn the Main Power Switch ON. AUTOMATIC ? 2. Attach the Red and Blue Hoses to the A/C System per the vehicle ENTER manufacturer's instructions and open the Red and Blue Hose Valves. 3. Determine the refrigerant capacity of the A/C System to be charged. RECYCLE HOLD Note: 1 oz = 0.02835 Kg 1 Lb = 0.45359 Kg TIME XX MIN 4. Using the Keypad, press the ENTER key when the Display reads “WEIGHT= XX.X LB” “AUTOMATIC? ” (this is the default s
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AUTOMATIC (continued) WEIGHT= XX.X LB COMPRESSOR OFF The Display will read the “WEIGHT= XX.X LB” “COMPRESSOR ON”. The AC880 will recover and recycle refrigerant from the A/C System and automatically cycle OFF when a vacuum is sensed. This vacuum level can be * seen on the Low Pressure Gauge. The Display will read “WEIGHT= XX.X LB” HIGH PRESSURE “COMPRESSOR OFF” SEE MANUAL A small quantity of refrigerant will probably remain in the A/C System as observed by an increasing pressure on the Low Pres
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ACCESS STORED DATA WEIGHT= XX.X LB 1. Set up the AC880 and turn the Main Power Switch ON. AUTOMATIC ? 2. Using the Keypad, press the “Up Arrow” key five times to display ENTER “WEIGHT= XX.X LB” “SETUP? ” and then press the ENTER key. The Display will read “FILTER HOURS=” “XX.X HOURS”. WEIGHT= XX.X LB See the Filter Maintenance section of the manual, Page 14, for the SETUP ? procedure to change the filters. The normal Filter Change Interval is after every 25 hours. ENTER Note: Press a
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SET OVER CHARGE AMOUNT WEIGHT= XX.X LB 1. Remove the front panel of the AC880. AUTOMATIC ? 2. Set up the AC880 as shown on Page 4 and then turn the Main Power Switch ENTER ON. Refer to the figure below to locate the Access Hole (on the metal circuit board cover) to the Calibration Switch. WEIGHT= XX.X LB 3. Remove the plastic Calibration Tool from the mounting hole of the circuit board cover. SETUP ? 4. Using the Keypad, press the “Up Arrow” key five times to display “WEIGHT= Calibrati
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SCHEDULED MAINTENANCE DAILY... Check the oil level in the Vacuum Pump while the pump is running. The Vacuum Pump Oil Level Sight Glass is visible through a hole in the Lower Rear Panel of the AC880. The oil level should be at the “half-way” point of the glass. If oil is not visible call Technical Support at 800-468-2321 (Ext. 259). MONTHLY... Check the oil level in the Compressor while the motor is not running. The Compressor Oil Level Sight Tube is on the left side of the lower section of the A
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PARTS IDENTIFICATION P/N DESCRIPTION 1 360-81555-00 Manifold Assy 880 120V 2 024-80037-00 Contactor ½ HP (120V) 3NO/1NC 3 024-80066-00 Rocker Switch SPDT Visired Non-lighted 4 360-80369-02 D/P Switch R134A 5 360-81195-03 Vacuum Pump Assy JB 6 360-81314-00 Low Pressure Switch 3 psig-15in Hg SPDT 7 360-81221-01 Charging Cylinder Assy 8 Kg 120V Htr 8 024-80035-00 Rocker Switch SPST (mom-on) Non-lighted 9 360-81196-03 Check Valve Assy 1/4 FFL > 6/4 Tube 10 360-81337-01 Heater Assy 120V 11 031-80001-
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PARTS IDENTIFICATION P/N DESCRIPTION 1 026-80077-00 Combo Filter 3/8 Flare (Long) 2 360-81192-00 Compressor Inlet Tube Assy 3 360-81197-00 Accumulator Assy 4 360-81356-01 Compressor Assy 780 120V 5 026-80069-00 Combo Filter 3/8 Flare (Short) 6 360-81292-00 Solenoid MOV Sub- Assy 120V 7 360-81307-00 High Pressure Switch 261 Psig SPDT w/Gask Page 16
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PARTS IDENTIFICATION P/N DESCRIPTION 1 024-80040-00 Rocker Switch SPDT (on-on) Amber 125V 2 024-80060-01 Circuit Board 120V 3 026-80065-03 Gauge 30"-120 Psig 1/4 MFL 3.5" 4 025-80128-00 Lamp Holder w/Clear Bulb 120V 5 025-80127-00 Clear Bulb Bayonet Base 120V 6 025-80131-00 Lens Assy Amber 7 026-80071-03 Gauge 0-500 Psig 1/4 MFL 3.5" Page 17
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TROUBLESHOOTING FILL CYLINDER PROCEDURE 1) The cylinder of new refrigerant should be at ambient temperature or greater for best performance of the Fill Cylinder procedure. Make sure the cylinder was not recently moved from an air-conditioned storage room to a warm work area. Place the cylinder on a block of wood if necessary to elevate it from a cool concrete floor. Application of a heat belt to the cylinder will greatly enhance the speed. 2) Verify that the cylinder of new refrigerant (14) is
